WorksheetsThe Doppler Effect
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
2.
Short sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
3.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
4.
When an ambulance move TOWARD you it sounds ________ pitched.
a)
high
b)
low
c)
medium
5.
The Doppler effect is seen when a wave-making source moves toward an observer.
a)
True
b)
False
6.
The Doppler effect occurs when an observer moves towards a wave-making source.
a)
True
b)
False
7.
The Doppler effect occurs when an observer moves away from a wave-making source.
a)
True
b)
False
8.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down).
c)
Moving to the West (left).
d)
Moving to the East (right).
9.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
10.
What direction is this object moving?
a)
left
b)
right
c)
up
d)
down
11.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still.
d)
Moving up slowly.
12.
In the Doppler Effect Lab, we mostly observed changes in what?
a)
Velocity
b)
Wavelength
c)
Shape
d)
The Mouse Clicks
13.
What do the light waves of a galaxy that is moving TOWARD us look like?
a)
red shifted
b)
blue shifted
c)
green shifted
d)
yellow shifted
14.
What do the light waves of a galaxy that is moving AWAY from us look like?
a)
red shifted
b)
blue shifted
c)
green shifted
d)
yellow shifted
15.
How does the Big Bang Theory explain observations of the Doppler effect in the universe?
a)
Galaxies make lots of sound waves.
b)
Galaxies are blue shifted and moving toward us.
c)
Galaxies are redshifted and moving away from us.
d)
No connection. Light waves aren't visible in the universe.
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